Peter Wennik Kaplan was an American editor known for modernizing New Journalism for the digital age. He was the editor-in-chief of the New York Observer, a weekly newspaper, for 15 years. The Kingdom of New York, an anthology of articles from the famously pink paper, was co-edited by Kaplan.

The New York Observer was a weekly newspaper printed from 1987 to 2016, when it ceased print publication and became the online-only newspaper Observer. The media site focuses on culture, real estate, media, politics and the entertainment and publishing industries.